package com.accompany.controller;

import com.accompany.common.Result;
import com.accompany.entity.User;
import com.accompany.service.UserService;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 用户表 前端控制器
 * </p>
 *
 * @author DC
 * @since 2024-12-26
 */
@RestController
@RequestMapping("/user")
@Tag(name = "UserController", description = "用户管理")
public class UserController {

    @Autowired
    private UserService usersService;

    /**
     * 创建用户
     *
     * @param user 用户信息
     * @return Result对象，包含操作结果
     */
    @PostMapping("/create")
    @Operation(summary = "创建用户", description = "创建一个新的用户")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "用户创建成功"),
            @ApiResponse(responseCode = "400", description = "请求参数不正确")
    })
    public Result<?> createUser(@RequestBody User user) {
        usersService.createUser(user);
        return Result.success();
    }

    /**
     * 删除用户
     *
     * @param id 用户ID
     * @return Result对象，包含操作结果
     */
    @DeleteMapping("/delete/{id}")
    @Operation(summary = "删除用户", description = "根据用户ID删除用户")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "用户删除成功"),
            @ApiResponse(responseCode = "404", description = "用户不存在")
    })
    public Result<?> deleteUser(@PathVariable Long id) {
        usersService.deleteUser(id);
        return Result.success("删除成功");
    }

    /**
     * 更新用户信息
     *
     * @param user 用户信息
     * @return Result对象，包含操作结果
     */
    @PutMapping("/update")
    @Operation(summary = "更新用户信息", description = "根据用户ID更新用户信息")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "用户信息更新成功"),
            @ApiResponse(responseCode = "404", description = "用户不存在")
    })
    public Result<?> updateUser(@RequestBody User user) {
        usersService.updateUser(user);
        return Result.success("更新成功");
    }

    /**
     * 获取单个用户信息
     *
     * @param id 用户ID
     * @return Result对象，包含用户信息
     */
    @GetMapping("/{id}")
    @Operation(summary = "获取单个用户信息", description = "根据用户ID获取用户信息")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "获取成功"),
            @ApiResponse(responseCode = "404", description = "用户不存在")
    })
    public Result<User> getUserById(@PathVariable Long id) {
        User user = usersService.getUserById(id);
        return Result.success(user);
    }

    /**
     * 获取所有用户列表
     *
     * @return Result对象，包含用户列表
     */
    @GetMapping
    @Operation(summary = "获取所有用户列表", description = "获取所有用户的列表")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "获取成功"),
            @ApiResponse(responseCode = "500", description = "服务器内部错误")
    })
    public Result<List<User>> getAllUsers() {
        List<User> users = usersService.getAllUsers();
        return Result.success(users);
    }

    /**
     * 分页查询用户列表
     *
     * @param page  页码
     * @param size  每页大小
     * @return Result对象，包含分页后的用户列表
     */
    @GetMapping("/page")
    @Operation(summary = "分页查询用户列表", description = "根据页码和每页大小分页查询用户列表")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200", description = "分页查询成功"),
            @ApiResponse(responseCode = "500", description = "服务器内部错误")
    })
    public Result<Page<User>> getPaginatedUsers(
            @Parameter(description = "页码", required = true) @RequestParam(name = "page", defaultValue = "1") Integer page,
            @Parameter(description = "每页大小", required = true) @RequestParam(name = "size", defaultValue = "10") Integer size) {
        Page<User>  pageResult = usersService.getPaginatedUsers(page, size);
        return Result.success(pageResult);
    }
}